n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 1478 |
4 | 50726 |
5 | 573797 |
6 | 3581924 |
7 | 15516804 |
8 | 52550366 |
9 | 149162199 |
10 | 370817854 |
11 | 831571604 |
12 | 1717417198 |
13 | 3316210152 |
14 | 6054985120 |
15 | 10545491888 |
16 | 17638773534 |
17 | 28489610297 |
18 | 44631652698 |
19 | 68064067456 |
20 | 101350519742 |
21 | 147731315314 |
22 | 211249526076 |
23 | 296891922604 |
24 | 410745537182 |
[0,2,1478,50726,573797,3581924,15516804,52550366, 149162199,370817854,831571604,1717417198, 3316210152,6054985120,10545491888,17638773534, 28489610297,44631652698,68064067456,101350519742, 147731315314,211249526076,296891922604, 410745537182] |